Podcast
Questions and Answers
What is the purpose of the logistic regression analysis conducted by the company?
What is the purpose of the logistic regression analysis conducted by the company?
- To understand the relationship between advertising spending and sales target achievement. (correct)
- To analyze the impact of sales target on advertising spending.
- To determine the total advertising budget for hitting the sales target.
- To predict the exact sales amount for each advertising channel.
What does the coefficient value of 0.074 for TV advertising in the logistic regression output indicate?
What does the coefficient value of 0.074 for TV advertising in the logistic regression output indicate?
- TV advertising has no impact on the likelihood of meeting the sales target.
- The coefficient value is not relevant to the likelihood of meeting the sales target.
- Increasing TV advertising by 1 unit increases the likelihood of meeting the sales target. (correct)
- Increasing TV advertising by 1 unit decreases the likelihood of meeting the sales target.
What does a Z-score of 4.861 for TV advertising suggest in the logistic regression output?
What does a Z-score of 4.861 for TV advertising suggest in the logistic regression output?
- The Z-score is not relevant to TV advertising's impact on the likelihood of meeting the sales target.
- TV advertising has a significant negative impact on the likelihood of meeting the sales target.
- TV advertising has a significant positive impact on the likelihood of meeting the sales target. (correct)
- TV advertising has no impact on the likelihood of meeting the sales target.
How does the coefficient value of -0.016 for Newspaper advertising affect the likelihood of meeting the sales target?
How does the coefficient value of -0.016 for Newspaper advertising affect the likelihood of meeting the sales target?
What is the purpose of creating the outcome variable 'target_met' using the rule: if sales > $14,000 then 1 else 0?
What is the purpose of creating the outcome variable 'target_met' using the rule: if sales > $14,000 then 1 else 0?
What does a P-value of 0 for the constant in the logistic regression output indicate?
What does a P-value of 0 for the constant in the logistic regression output indicate?